497138141 has 2 divisors, whose sum is σ = 497138142. Its totient is φ = 497138140.

The previous prime is 497138113. The next prime is 497138143. The reversal of 497138141 is 141831794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425803225 + 71334916 = 20635^2 + 8446^2 .

It is a cyclic number.

It is not a de Polignac number, because 497138141 - 2¹⁰ = 497137117 is a prime.

Together with 497138143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 497138095 and 497138104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497138143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248569070 + 248569071.

It is an arithmetic number, because the mean of its divisors is an integer number (248569071).

Almost surely, 2^497138141 is an apocalyptic number.

It is an amenable number.

497138141 is a deficient number, since it is larger than the sum of its proper divisors (1).

497138141 is an equidigital number, since it uses as much as digits as its factorization.

497138141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The square root of 497138141 is about 22296.5948297044. The cubic root of 497138141 is about 792.1833216126.

The spelling of 497138141 in words is "four hundred ninety-seven million, one hundred thirty-eight thousand, one hundred forty-one".